function hashFile()

in next.config.js [192:200]

• 7 lines of code
• 1 McCabe index (conditional complexity)

function hashFile(filePath) {
  const hash = crypto.createHash(`sha256`);
  const fileData = fs.readFileSync(filePath);
  hash.update(fileData);
  const fullHash = hash.digest(`hex`);

  // Use a hash length that matches what Webpack does
  return fullHash.substr(0, 20);
}